package com.demo.servlet;

import java.io.IOException;

import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import org.apache.ibatis.session.SqlSession;

import com.demo.bean.User;
import com.demo.mapper.HelloMapper;
import com.demo.util.MybatisUtil;

/**
 * Servlet implementation class Hello
 */
@WebServlet(description = "servlet-mybatis测试", urlPatterns = { "/Hello" })
public class Hello extends HttpServlet {
	private static final long serialVersionUID = 1L;
       
    /**
     * @see HttpServlet#HttpServlet()
     */
    public Hello() {
        super();
        // TODO Auto-generated constructor stub
    }

	/**
	 * @see HttpServlet#doGet(HttpServletRequest request, HttpServletResponse response)
	 */
	protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
		  request.setCharacterEncoding("utf-8"); 
		  response.setContentType("text/html;charset=utf-8"); 
		  response.setCharacterEncoding("utf-8"); 
		  
		  SqlSession sqlSession = null;
			try {
				sqlSession = MybatisUtil.getSqlSession(true);
				HelloMapper mapper = sqlSession.getMapper(HelloMapper.class);
				User user = mapper.getUser();
				
				response.getWriter().append(user.toString());
				
			} catch (Exception e) {
				e.printStackTrace();
			} finally {
				MybatisUtil.close(sqlSession);
			}
		
	}

	/**
	 * @see HttpServlet#doPost(HttpServletRequest request, HttpServletResponse response)
	 */
	protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
		// TODO Auto-generated method stub
		doGet(request, response);
	}

}
